1, it is best to jog.
2, do sit-ups in bed, don't do too much at a time, 10 1 group, take a break and then do it.
3. Put your hands straight on your chest and squat, not too much at a time.
4, skipping rope, if the room is big enough, you can choose to jump indoors and outdoors.
5. When twisting the waist, colleagues cross their legs: the upper body twists to the left, the left leg lifts to the right, and then vice versa.
6. Keep your legs straight together, bend over, and reach your hands as far as possible to the ground.
7. If you have a hunchback, it is very helpful to do more chest expansion.